A.H. Hay is an adjunct professor at the University of Toronto, where he researches and teaches in infrastructure and operational resilience planning. He is also a member of the Register of Security Engineers & Specialists, director of the Rethink Sustainability Initiative, and a principal at Southern Harbour, an infrastructure risk, resilience, and protection planning consultancy firm. He is the author of Operational Survival: Putting Resilience at the Core of Infrastructure Planning published by the Explora Foundation, and several prize-winning academic papers.He lives with his wife and three children in Toronto, where he enjoys exploring the city’s vibrant restaurant and entertainment scene.